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Finding the Fourth Proportional to 9,959.19, 14,931.90 and 4,409.52

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Solution

The fourth proportional to 9,959.19, 14,931.90 and 4,409.52 is: 6,611.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,959.19 : 14,931.90 = 4,409.52 : x
  2. Step 2: Convert to fraction form
    9,959.19/14,931.90 = 4,409.52/x
  3. Step 3: Cross multiply
    9,959.19x = 14,931.90 × 4,409.52
  4. Step 4: Simplify right side
    9,959.19x = 65,842,511.69
  5. Step 5: Solve for x
    x = 65,842,511.69/9,959.19
  6. Step 6: Final answer
    x = 6,611.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.